Survey Identifier: DI9101
Format Acronym: MGD77
Data Center File Number: 03030067
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19960703
Source Institution: Oceanic and Atmospheric Research
Country: US
Platform Name: R/V Discoverer
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Embley
Project: VENTS Leg 1
Survey Departure Date (yyyymmdd): 19910518
Survey Arrival Date (yyyymmdd): 19910519
Navigation Instrumentation: Loran-C
Bathymetry Instrumentation: SeaBeam (Vertical Beam Extraction)
Topmost Latitude of Survey: +47
Bottommost Latitude: +46
Leftmost Longitude: -131
Rightmost Longitude: -129
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: VAR W/ DEPTH
Interpolation Scheme: 1 MINUTE EXTRACTIONS CLOSEST TO THE MINUTE (VERTICAL BM)
Additional Documentation: Loran data was shifted to correlate with transit satellite fixes, collected during the cruise to force the positions to near-geodetic.
Number of Data Records: 1060
Min/Max Data Record:
Date: 1991 05 18
Latitude: +46.45688
Longitude: -130.24918
Bathymetry, 2- Way Traveltime: 015387
Bathymetry, Corrected Depth: 1136.0
Min/Max Data Record:
Date: 1991 05 19
Latitude: +46.86116
Longitude: -129.49167
Bathymetry, 2- Way Traveltime: 037200
Bathymetry, Corrected Depth: 2761.0